, a professor at the University of Tokyo, and Ryu Funahashi, leader of a group of graduate students who made a tiny cubical satellite, shown in bottom photo provided by Nakasuka, weep with joy Oct. 27 after the first signal from the craft was received as it passed over Japan.

It is the second such satellite placed in orbit. The first was sent up in June 2003.

Our Planet

Hidetaka Ishii, an official at the Chiba Municipal Government, says close coordination with private-sector operators is key for regional decarbonization efforts.
Japan’s climate heroes show potential and limits of local initiatives

Longform

Visitors walk past Sou Fujimoto's Grand Ring, which has been recognized as the largest wooden structure in the world.
Can a World Expo still matter? Japan is about to find out.